251324640

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8311}}^1$

素因数の和:8342

約数の個数: 192

約数和(自身を含む): 1005419520

約数和(自身を除く): 754094880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8311, 10080, 15120, 16622, 24933, 30240, 33244, 41555, 49866, 58177, 66488, 74799, 83110, 99732, 116354, 124665, 132976, 149598, 166220, 174531, 199464, 224397, 232708, 249330, 265952, 290885, 299196, 332440, 349062, 373995, 398928, 448794, 465416, 498660, 523593, 581770, 598392, 664880, 698124, 747990, 797856, 872655, 897588, 930832, 997320, 1047186, 1121985, 1163540, 1196784, 1329760, 1396248, 1495980, 1570779, 1745310, 1795176, 1861664, 1994640, 2094372, 2243970, 2327080, 2393568, 2617965, 2792496, 2991960, 3141558, 3490620, 3590352, 3989280, 4188744, 4487940, 4654160, 5235930, 5584992, 5983920, 6283116, 6981240, 7180704, 7853895, 8377488, 8975880, 9308320, 10471860, 11967840, 12566232, 13962480, 15707790, 16754976, 17951760, 20943720, 25132464, 27924960, 31415580, 35903520, 41887440, 50264928, 62831160, 83774880, 125662320, 251324640]

約数ペア:

[(1, 251324640), (2, 125662320), (3, 83774880), (4, 62831160), (5, 50264928), (6, 41887440), (7, 35903520), (8, 31415580), (9, 27924960), (10, 25132464), (12, 20943720), (14, 17951760), (15, 16754976), (16, 15707790), (18, 13962480), (20, 12566232), (21, 11967840), (24, 10471860), (27, 9308320), (28, 8975880), (30, 8377488), (32, 7853895), (35, 7180704), (36, 6981240), (40, 6283116), (42, 5983920), (45, 5584992), (48, 5235930), (54, 4654160), (56, 4487940), (60, 4188744), (63, 3989280), (70, 3590352), (72, 3490620), (80, 3141558), (84, 2991960), (90, 2792496), (96, 2617965), (105, 2393568), (108, 2327080), (112, 2243970), (120, 2094372), (126, 1994640), (135, 1861664), (140, 1795176), (144, 1745310), (160, 1570779), (168, 1495980), (180, 1396248), (189, 1329760), (210, 1196784), (216, 1163540), (224, 1121985), (240, 1047186), (252, 997320), (270, 930832), (280, 897588), (288, 872655), (315, 797856), (336, 747990), (360, 698124), (378, 664880), (420, 598392), (432, 581770), (480, 523593), (504, 498660), (540, 465416), (560, 448794), (630, 398928), (672, 373995), (720, 349062), (756, 332440), (840, 299196), (864, 290885), (945, 265952), (1008, 249330), (1080, 232708), (1120, 224397), (1260, 199464), (1440, 174531), (1512, 166220), (1680, 149598), (1890, 132976), (2016, 124665), (2160, 116354), (2520, 99732), (3024, 83110), (3360, 74799), (3780, 66488), (4320, 58177), (5040, 49866), (6048, 41555), (7560, 33244), (8311, 30240), (10080, 24933), (15120, 16622)]